21551472

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{7877}}^1$

素因数の和:7910

約数の個数: 60

約数和(自身を含む): 63496680

約数和(自身を除く): 41945208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 36, 38, 48, 57, 72, 76, 114, 144, 152, 171, 228, 304, 342, 456, 684, 912, 1368, 2736, 7877, 15754, 23631, 31508, 47262, 63016, 70893, 94524, 126032, 141786, 149663, 189048, 283572, 299326, 378096, 448989, 567144, 598652, 897978, 1134288, 1197304, 1346967, 1795956, 2394608, 2693934, 3591912, 5387868, 7183824, 10775736, 21551472]

約数ペア:

[(1, 21551472), (2, 10775736), (3, 7183824), (4, 5387868), (6, 3591912), (8, 2693934), (9, 2394608), (12, 1795956), (16, 1346967), (18, 1197304), (19, 1134288), (24, 897978), (36, 598652), (38, 567144), (48, 448989), (57, 378096), (72, 299326), (76, 283572), (114, 189048), (144, 149663), (152, 141786), (171, 126032), (228, 94524), (304, 70893), (342, 63016), (456, 47262), (684, 31508), (912, 23631), (1368, 15754), (2736, 7877)]